ChartDirector 7.0 (ASP/COM/VB Edition)
Custom Scatter Symbols
Source Code Listing
<%@ language="vbscript" %>
<%
Set cd = CreateObject("ChartDirector.API")
' The XY points for the scatter chart
dataX = Array(200, 400, 300, 250, 500)
dataY = Array(40, 100, 50, 150, 250)
' The custom symbols for the points
symbols = Array("robot1.png", "robot2.png", "robot3.png", "robot4.png", "robot5.png")
' Create a XYChart object of size 450 x 400 pixels
Set c = cd.XYChart(450, 400)
' Set the plotarea at (55, 40) and of size 350 x 300 pixels, with a light grey border (0xc0c0c0).
' Turn on both horizontal and vertical grid lines with light grey color (0xc0c0c0)
Call c.setPlotArea(55, 40, 350, 300, -1, -1, &Hc0c0c0, &Hc0c0c0, -1)
' Add a title to the chart using 18pt Times Bold Itatic font.
Call c.addTitle("Battle Robots", "Times New Roman Bold Italic", 18)
' Add a title to the y axis using 12pt Arial Bold Italic font
Call c.yAxis().setTitle("Speed (km/s)", "Arial Bold Italic", 12)
' Add a title to the y axis using 12pt Arial Bold Italic font
Call c.xAxis().setTitle("Range (km)", "Arial Bold Italic", 12)
' Set the axes line width to 3 pixels
Call c.xAxis().setWidth(3)
Call c.yAxis().setWidth(3)
' Add each point of the data as a separate scatter layer, so that they can have a different symbol
For i = 0 To UBound(dataX)
Call c.addScatterLayer(Array(dataX(i)), Array(dataY(i))).getDataSet(0).setDataSymbol2( _
Server.MapPath(symbols(i)))
Next
' Output the chart
Set viewer = cd.WebChartViewer(Request, "chart1")
Call viewer.setChart(c, cd.SVG)
' Include tool tip for the chart
viewer.ImageMap = c.getHTMLImageMap("", "", "title='Range = {x} km, Speed = {value} km/s'")
%>
<!DOCTYPE html>
<html>
<head>
<title>Custom Scatter Symbols</title>
<!-- Include ChartDirector Javascript Library to support chart interactions -->
<script type="text/javascript" src="cdjcv.js"></script>
</head>
<body style="margin:5px 0px 0px 5px">
<div style="font:bold 18pt verdana;">
Custom Scatter Symbols
</div>
<hr style="border:solid 1px #000080; background:#000080" />
<div style="font:10pt verdana; margin-bottom:1.5em">
<a href="viewsource.asp?file=<%= Request("SCRIPT_NAME") %>">View Chart Source Code</a>
</div>
<!-- ****** Here is the chart image ****** -->
<%= viewer.renderHTML() %>
</body>
</html>
Public Sub createChart(viewer As Object, chartIndex As Integer)
Dim cd As New ChartDirector.API
' The XY points for the scatter chart
Dim dataX()
dataX = Array(200, 400, 300, 250, 500)
Dim dataY()
dataY = Array(40, 100, 50, 150, 250)
' The custom symbols for the points
Dim symbols()
symbols = Array("robot1.png", "robot2.png", "robot3.png", "robot4.png", "robot5.png")
' Create a XYChart object of size 450 x 400 pixels
Dim c As XYChart
Set c = cd.XYChart(450, 400)
' Set the plotarea at (55, 40) and of size 350 x 300 pixels, with a light grey border
' (0xc0c0c0). Turn on both horizontal and vertical grid lines with light grey color (0xc0c0c0)
Call c.setPlotArea(55, 40, 350, 300, -1, -1, &Hc0c0c0, &Hc0c0c0, -1)
' Add a title to the chart using 18pt Times Bold Itatic font.
Call c.addTitle("Battle Robots", "timesbi.ttf", 18)
' Add a title to the y axis using 12pt Arial Bold Italic font
Call c.yAxis().setTitle("Speed (km/s)", "arialbi.ttf", 12)
' Add a title to the y axis using 12pt Arial Bold Italic font
Call c.xAxis().setTitle("Range (km)", "arialbi.ttf", 12)
' Set the axes line width to 3 pixels
Call c.xAxis().setWidth(3)
Call c.yAxis().setWidth(3)
' Add each point of the data as a separate scatter layer, so that they can have a different
' symbol
Dim i As Long
For i = 0 To UBound(dataX)
Call c.addScatterLayer(Array(dataX(i)), Array(dataY(i))).getDataSet(0).setDataSymbol2( _
symbols(i))
Next
' Output the chart
Set viewer.Picture = c.makePicture()
'include tool tip for the chart
viewer.ImageMap = c.getHTMLImageMap("clickable", "", _
"title='Range = {x} km, Speed = {value} km/s'")
End Sub